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Introduction
According to customer requirements,produce all kinds of castable and precast
Items
|
JCA-40 |
JCZ-45 |
JCAZ-60 |
JCAL-55 |
JCLD-65 |
JCAM-65 |
JCS-65 |
|
Chemical compositions
(%)
|
Al2O3
|
≥40 |
≥45 |
≥60 |
≥55 |
≥65 |
≥65 |
≥65 |
CaO |
≤5.0 |
≤2.0 |
≤2.0 |
≤2.0 |
≤2.0 |
≤2.0 |
≤2.0 |
|
Bulk density
(g/cm3)
|
110?榴imes;6h |
≥1.95 |
≥2.30 |
≥2.50 |
≥2.40 |
≥2.55 |
≥2.50 |
≥2.50 |
1350?榴imes;3h |
≥1.90 |
≥2.25 |
≥2.45 |
≥2.35 |
≥2.50 |
≥2.45 |
≥2.45 |
|
Compressive strength
(Mpa)
|
110?榴imes;16h |
≥20.0 |
≥35.0 |
≥40.0 |
≥25.0 |
≥35.0 |
≥40.0 |
≥60.0 |
1350?榴imes;3h |
≥20.0 |
≥35.0 |
≥40.0 |
≥25.0 |
≥35.0 |
≥40.0 |
≥60.0 |
|
Breaking strength
(Mpa)
|
110?榴imes;16h |
≥2.0 |
≥5.0 |
≥6.0 |
≥6.0 |
≥6.0 |
≥10.0 |
≥11.0 |
1350?榴imes;3h |
≥6.0 |
≥8.0 |
≥11.5 |
≥11.0 |
≥11.5 |
≥11.5 |
≥11.5 |
|
Linear change rate(%)
(1350?榴imes;3h)
|
0??0.7 |
0??0.9 |
0??1.0 |
0??0.5 |
0??0.8 |
0??1.0 |
0??1.0 |
|
Working Temperature (?橼/div> |
1350 |
1400 |
1400 |
1500 |
1500 |
1500 |
1500 |
|
Water capacity (%) |
6??8 |
6??8 |
6??8 |
6??8 |
6??8 |
6??8 |
6??8 |
|
Thermal shock resistance
(Wind cooling/time 1100?橼/div>
|
80 |
60 |
50 |
60 |
40 |
40 |
40 |
|
Application |
Insulating and working linings of furnace roof |
Pre-heat,even-heat,working lining of furnace roof and precasting block |
Roof of soaker |
Precasting and casting of working lining for furnace roof |
Precasting and casting of anchor and brick |
Precasting and casting of packing material for cooling tube |